I have to port a driver from 2.6.18 to 3.8.3
Look at the below declaration of current
Where struct menu is
The above one is in kconfig while the lower one is in the kernel. So would they be able to affect each other? I guess NO
NOW in the driver to be ported-
current is defined as:
struct task_struct *task = current;
but is still able to excess the field members of task_struct
like
attr.ia_uid = current->uid;
attr.ia_gid = current->gid;
though it has not been initialized or assigned or typecasted to this task_struct.
HOW?
I searched on the entire lxr but could not find the solution.
Kindly help.
PS: This driver is built on 2.6.28 kernel so use lxr from 2.6.18 kernel only like
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